Junior QA Engineer with JavaScript

CKSource is the company behind CKEditor, a modern TypeScript rich text editor used globally. It is part of Tiugo Technologies, which offers market-leading developer platforms focused on content creation and digital collaboration, including CKEditor, TinyMCE, ButterCMS, and Uploadcare.

• Hobby projects portfolio on GitHub in HTML / CSS / JavaScript stack
• Practical JavaScript skills including async code and HTTP clients
• Solid understanding of modern web apps: SPA, REST APIs, HTTP, JWT, WebSockets
• Experience with AI-powered tools (e.g., ChatGPT, Claude Code, Gemini)
• Curiosity and critical thinking
• Fluent command of Polish and good working proficiency in English (B2+ level)

• Manual testing of CKSource products
• API testing
• Stress testing and regression testing
• Creating test automation and automation scripts
• Reporting and verifying issues in issue trackers
• Supporting developers in customers' technical support
• Communicating with the development team
• Improving technical and soft skills